Democratic incumbent Bob Casey is looking to fend off Republican challenger Dave McCormick and retain his seat in the U.S.

Pennsylvania's U.S. Senate contest between Democratic incumbent Bob Casey and Republican challenger David McCormick is still ...

David McCormick is currently ahead of the incumbent Democratic Senator Bob Casey by a narrow margin, according to the AP.

Pennsylvania’s three-term Democratic U.S. Sen. Bob Casey remained in a fight for his political life Wednesday, narrowly ...

Republican Dave McCormick holds a narrow lead over Democrat Sen. Bob Casey in the U.S. Senate race in Pennsylvania, with ...

In the race for Pennsylvania's U.S. Senate seat, challenger and Republican Dave McCormick is leading over Democrat incumbent ...

"Casey was running in a very tough environment for incumbents. ... People are sick of Washington and politics as usual," a ...

McCormick has framed the race as one of strength versus weakness. Casey has worked to make it a question of honesty.

U.S. Senator Bob Casey’s campaign says they are not ready to concede Pennsylvania’s Senate race to Republican Dave McCormick ...

McCormick sought to portray Casey as a do-nothing politician who had served 18 years in the Senate and had few legislative ...

The U.S. Senate race in Pennsylvania is still too close to call. Republican Dave McCormick holds a slim lead over Democrat Sen. Bob Casey as final votes continue to be counted. The Casey campaign has ...

Pennsylvania’s nationally watched U.S. Senate race between Democratic incumbent Bob Casey Jr. and Republican challenger Dave ...